Vaishnava Samhita. Narasimha Mehta Charitam II. Vol III Book VI Chp 16 Shloka 16

श्रीसद्गुरुरुवाच 
इयुक्त्वा सज्जनश्रेष्ठो दृढविश्वाससंयुतः |
गृहीत्वा तद्धनं श्रीरस्तेभ्यः पत्रं ददौ महान् ||

Shri Sadguru continued

Having spoken thus, Narasimha Mehta received the money from them with great confidence. He handed over a letter to them.